| se över | look over |
| Sea Wind Line | SeaWind Line |
| Sea-launch | Sea Launch |
| Seabiscuit | Seabiscuit |
| seaborgium | seaborgium |
| Seagate | Seagate Technology |
| Seagram Building | Seagram Building |
| SEAL | United States Navy SEALs |
| Sealand | Principality of Sealand |
| Seamus Heaney | Seamus Heaney |
| Sean Astin | Sean Astin |
| Sean Bean | Sean Bean |
| Sean Combs | Sean Combs |
| Sean Connery | Sean Connery |
| Sean Paul | Sean Paul |
| Sean Penn | Sean Penn |
| Sean Taylor | Sean Taylor |
| Sean Young | Sean Young |
| Seann William Scott | Seann William Scott |
| seans | séance |
| SeaQuest DSV | SeaQuest DSV |
| Sears | Sears Holdings Corporation |
| Sears Tower | Sears Tower |
| Seat Alhambra | SEAT Alhambra |
| Seat Altea | SEAT Altea |
| Seat Arosa | SEAT Arosa |
| Seat Córdoba | SEAT Córdoba |
| Seat Ibiza | SEAT Ibiza |
| Seat León | SEAT León |
| Seat Malaga | SEAT Málaga |
| SEATO | Southeast Asia Treaty Organization |
| Seattle | Seattle |
| Seattle Mariners | Seattle Mariners |
| Seattle Seahawks | Seattle Seahawks |
| Seattle SuperSonics | Seattle SuperSonics |
| SEB | Skandinaviska Enskilda Banken |
| Sebastian | Sebastian |
| Sebastian Brant | Sebastian Brant |
| Sebastian Haffner | Sebastian Haffner |
| Sebastian I av Portugal | Sebastian of Portugal |
| Sebastian Kehl | Sebastian Kehl |
| Sebastian Kneipp | Sebastian Kneipp |
| Sebastian Vettel | Sebastian Vettel |
| Sebastiano Caboto | Sebastian Cabot |
| Sebastiano del Piombo | Sebastiano del Piombo |
| Sebastiano Serlio | Sebastiano Serlio |
| Sebastien Bordeleau | Sébastien Bordeleau |
| Sebastien Foucan | Sébastien Foucan |
| Sebastián Yradier | Sebastián Iradier |
| Sebek | Sobek |
| Sebnitz | Sebnitz |
| Seborga | Principality of Seborga |
| Seborré | Seborrhoeic dermatitis |
| sebra | zebra |
| Sebra -n -or | Zebra |
| Sebra-aloe | Aloe variegata |
| Sebror | Zebra |
| Sebulon | Zebulun |
| Sebüktegin | Sebük Tigin |
| SECAM | SECAM |
| Secchiskiva | Secchi disk |
| secession | secession |
| Seckau | Seckau |
| Second hand | Used good |
| second hand-affär | thrift shop |
| second hand-butik | thrift shop |
| Second Life | Second Life |
| Second Price Auction | Vickrey auction |
| Secret Garden | Secret Garden |
| Secret Intelligence Service | Secret Intelligence Service |
| Secret of Mana | Seiken Densetsu |
| Secret Service | United States Secret Service |
| Secret Window | Secret Window |
| Secure Digital | Secure Digital card |
| Securitas | Securitas AB |
| Securitate | Securitate |
| Securities and Exchange Commission | United States Securities and Exchange Commission |
| sed | habit |
| sedan | after |
| sedan dess | since |
| sedativ | sedative |
| Sedecimala talsystemet | Hex number |
| sedefördärvande | demoralizing |
| sedel | bill |
| sedel- | greenback |
| sedelbunt | bankroll |
| sedelära | moral philosophy |
| sedelös | immoral |
